Razor-stropping device.



No. 558,050. Pateta'd sept. 25, |000.

. r., n. 5 0. KAMPFE.

RAZOR STRPPlNG DEVICE.,

(Application mea .my 17, 1900.)

@No Rodel.)

WITNESSES:

@im ATTORNEY.

Unir-*ran STATES PATENT Orifice.

FREDERICK KAMPFE, RICHARD KAMPFE, AND OTTO KAMPFE, OF NEW YORK, N. Y.

RAZOR-STROPPING .DEVVICE.

SPECIFICATION forming part of Letters Patent No. 658,650, datedSeptember 25, 1900.

Application filed July 17, 1900. Serial No. 23,903. (No model.)

To @ZZ whom t may concern.-

Be it known that we, FREDERICK KAMPFE, RICHARD KAMPFE, and OTTO KAMPFE,citizens of the United States,and residents of the city of New York,borough of Brooklyn,in the county of Kings and State of New York, haveinvented certain new and useful Improvements in Razor-Stropping Devices,of which the following is a specication.

Thev object of our invention is to provide a new and improvedrazor-stropping device, which is simple in construction, strong anddurable, and effective and reliable in use.

In the accompanying drawings, in which like letters of referenceindicate like parts in all the figures, Figure l isa face view of ourimproved razor-blade-stropping device. Fig. 2 is a longitudinalsectional viewof the same. Fig. 3 is a transverse sectional view on theline 3 3 of Fig. l.

The handle-frame A is substantially sector-shaped and has side anges B.A rod C has its lowei1 end fixed to the lower end of the frame A by apin D, and said rod extends longitudinally and centrally over one faceof said frame. A sleeve E is mounted loosely on the rod C, and on it isformed a pinion F. A blade-holder G, substantially U-shaped incross-section, is secured to the upper end of the sleeve E and extendsbeyond the upper end of the frame A. A plate H,which is located betweenthe rod O and the frame A, is pivoted at its lower end on the pin D, soas to adapt it to swing over the frame A between the side lianges B ofthe same, and from the upper end of this plate two fiat prongs Jproject, which form friction-arms which are to rest on the face of thestrop. A cross-piece K on the upper end of the plate H extends over therod O, and on its under side a segmental rack L is formed, which isconcentric with the pin D and engages the pinion F on the sleeve E. AnL-shaped or like arm M projects from the upper end part of the plate Hover the upper part of the under side of the frame A and carries aroller N, which runs on the under side of the frame A and prevents thepressure on the device from bending up the plate I-I.

T are the finger-rests.

The operation is as follows: The stroppingmachine is placed upon thestrop in such a manner that the friction-arms J rest fiat upon thestrop.l If now the machine is moved in the direction of the arrow x',Fig. l, the blade P is moved over the strop with the back of the bladein advance of the cutting edge. When the stroke is reversed, thefriction between the arms J and the strop holds the arms J and plate Hat rest for the time being, and the handle-frame Aand rod C with theblade-holder G swing in the inverse direction of the arrow m on thepivot D until the right-hand flange B on the frame A rests against theright-hand edge of the plate H and forces the same also in the directionof the arrow x', whereby the friction between the arms J and the stropis overcolne.- By the above-described movements of the parts in relationto each other the blade is turned on its back by the coaction of therack L and pinion F and the blade reversed, and so on at the end of eachstroke.

/Ve have shown the friction-arms J slightly curved transversely; butthey can be made perfectly flat.

Having described our invention, what we claim as new, and desire tosecure by Letters Patent, is-

1. In a machine for stropping razor-blades, the combination with ahandle-frame, of a rod fixed on the frame and extending longitudinallyand centrally over the same, a bladeholder mounted rotatively on theupper end of said rod, a pinion connected with the bladeholder, a platepivoted to the handle-frame and having friction-arms and a rack on saidplate engaging the pinion on the blade-holder, substantially as hereinset forth.

2. In a machine for stropping razor-blades, the combination with ahandle-frame, of arod fixed on the frame and extending longitudinallyand centrally over the same, a bladeholder mounted rotatively on theupper end ofsaid rod, a pinion connected with the bladeholder, a platepivoted to the handle-frame between said frame and the rod carrying theblade-holder and having friction-arms and a rack on said plate engagingthe pinion on the blade-holder substantially as herein set forth.

3. In a machine for stropping razor-blades, the combination with ahandle-frame, of a rod IOO fixed on the frame and extending longiudi.-nally and centrally over the Same, a bladef holder mounted rotatively onthe upper end of said rod, a pinion connected with Lhe bladeholder, aplate pivoted Lo the handle-frame to swing between said frame and therod Garrying the blade-holder, a friction-arm projectging from the upperend of said plate, on each side of the blade-holder, and a rack on Saidplate engaging the pinion on the blade-holder, an arm on said plate atthe swinging end thereof, and a roller on said arm running on the underside of the handle-frame, at the upper end thereof, substantially asherein set forth.

4. The combination with a. handle-frame, of a swingingr friction-platepivoted. to the same, a reversible blade-holder mounted on a rod heldrigidly on the handle-frame and

